(2013·高考浙江卷)Eye doctors recommend that a child’s first eye exam ________ at the age of six months old.
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A
was
B
be
C
were
D
is
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It is hoped that an end can _______ to pollution of any kind and we humans can live ______ with nature. 
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A
be put; in harmony
B
be adjusted; in terms with
C
be adopted; in condition
D
resigned; in agreement
 Ten years ago the population of our village was _________ that of theirs.
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A
as twice large as
B
twice as large as
C
twice as much as
D
as twice much as